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Turn signal relay modification for LEDS - stops hyperflash
Turn signal relay modification for LEDS - stops hyperflash
How to modify the turn signal relay for LED bulbs
Published by gspiva
10-21-2022
Default Turn signal relay modification for LEDS - stops hyperflash

Props to original poster :
https://zroadster.org/threads/modifi...-how-to.15927/
Look for attachment on page and also attached to this tutorial if link dies

If you replace the turn signal and marker light (side bulbs) with LEDS they then flash really fast because of difference in current required and the way the turn signal relay works. There are no replacement relays available since the BMW relay is unique vs may other cars.
This modifies the stock BMW relay to work with lower current using a diode vs the resistor that works with stock bulbs that are much higher current.

The Diode just needs to be similar specs.. i used
Panjit International Inc. SBM845LSS_AY_00001
from here:
https://www.digikey.com/en/products/...00001/15799419

If you want to modify another relay and keep the original in case you want to return to stock its BMW prt # 61361388547 such as:
https://www.autohausaz.com/pn/61361388547

Hope that helps someone else.. definitely makes LEDS work better. i have personally put this in and it works!!
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By hgaravity on 11-21-2022, 12:25 AM
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